30231821946 has 8 divisors (see below), whose sum is σ = 60463643904. Its totient is φ = 10077273980.

The previous prime is 30231821923. The next prime is 30231821959. The reversal of 30231821946 is 64912813203.

It is a sphenic number, since it is the product of 3 distinct primes.

30231821946 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519318490 + ... + 2519318501.

It is an arithmetic number, because the mean of its divisors is an integer number (7557955488).

Almost surely, 2^30231821946 is an apocalyptic number.

30231821946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30231821946 is a wasteful number, since it uses less digits than its factorization.

30231821946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038636996.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 30231821946 in words is "thirty billion, two hundred thirty-one million, eight hundred twenty-one thousand, nine hundred forty-six".